中稻是扬州市的重要粮食作物,1986年栽培面积为570.90万亩,占水稻总面积651.86万亩的87.6％,占全年粮食作物面积1389.72万亩的41.1％;总产为27.08亿公斤,占水稻总产30.24亿公斤的89.6％,占全年粮食总产52.01亿公斤的52.1％。为了使中稻在今后粮食增产中继续发挥作用,针对其栽期偏迟的特点,我们试验并推广了以利用其优势分蘖为主要内容的成套大苗栽培 Medium-sized rice is an important grain crop in Yangzhou City. In 1986, the cultivated area was 5.7 million mu, accounting for 87.6% of the total area of ​​6,518,600 mu of rice and 41.1% of the total annual food crop area of ​​13,897,200 mu. The total output was 2.708 billion kg, accounting for 89.6% of the total rice output 3.024 billion kilograms, accounting for 52.1% of the 5.201 billion kilograms of total grain output for the year. In order to continue to play a role of middle rice in grain production in the future, according to the characteristics of its late planting, we experimented and popularized the cultivation of complete sets of large-sized seedlings with its dominant tillers as the main content